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U.S. National Geodetic Survey

Last modified: 2015-05-09 by rick wyatt
Keywords: national geodetic survey | noaa | departmental | united states |
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  • US National Geodetic Survey
  • US Coast and Geodetic Survey (1878-1970)

    See also:

    US National Geodetic Survey

    The National Geodetic Survey (NGS), formerly the United States Survey of the Coast (1807-1836), United States Coast Survey (1836-1878), and United States Coast and Geodetic Survey (USC&GS) (1878-1970), is a United States federal agency that defines and manages a national coordinate system, providing the foundation for transportation and communication; mapping and charting; and a large number of applications of science and engineering. Since its foundation in its present form in 1970, it has been part of the National Oceanic and Atmospheric Administration (NOAA), of the United States Department of Commerce.

    US Coast and Geodetic Survey (1878-1970)

    [U.S. Coast and Geodetic Survey Flag] image by Miles Li, 28 February 2004

    Old Glory blue with white disc bearing a red equilateral triangle.
    Miles Li, 28 February 2004

    I have an old postage stamp celebrating the US Coast and Geodetic Survey's 150th anniversary, 1807-1957. It shows a dark flag with a white circle in the center which contains a triangle. It's all black and white (actually blue and white), so I can't tell the exact colors, but the triangle is lighter than the field.
    Nathan Lamm, 26 November 2002

    The stamp may not be precisely accurate. Old USN flag books show the points of the triangle touching the circumference of the circle.
    Joe McMillan, 26 November 2002

    It was the same as the flag of the modern National Oceanic and Atmospheric Administration, minus the central circle with the seagull. In other words, dark blue field, white circle, red triangle. The red triangle was emblematic of the triangulation methods used in surveying.
    Joe McMillan, 26 November 2002

    Director

    [U.S. Coast and Geodetic Survey Director Flag] image by Miles Li, 28 February 2004

    In National Geographic 1917, Old Glory blue with a white isosceles triangle, not quite equilateral, its long end pointing towards the fly.
    Miles Li, 28 February 2004

    [Rear Admiral] image by Joe McMillan, 29 August 1999

    In National Geographic 1934, this flag is Old Glory blue with a white equilateral triangle, and two white stars, one at each side.
    Miles Li, 28 February 2004

    Pennant

    [Ship's Pennant] image by Joe McMillan, 29 August 1999

    Old Glory blue with white hoist bearing seven red equilateral triangles. [Same as today's NOAA pennant]
    Miles Li, 28 February 2004